MESON Chess Problem Database

Problem Display
PID: 56097 (8/3R3B/8/1N1b4/1PP2p1B/4kP2/1K1N2nR/1Qn5 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Morning Post, 1888

8/3R3B/8/1N1b4/1PP2p1B/4kP2/1K1N2nR/1Qn5

#2

11 + 5

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc4
      • 2.Qe4#
    • 1...Be4
      • 2.Qxe4#
    • 1...Be6
      • 2.Qe4#
    • 1...Bf7
      • 2.Qe4#
    • 1...Bg8
      • 2.Qe4#
    • 1...Sa2
      • 2.Qd3#
    • 1...Se2
      • 2.Qd3#
    • 1...Sb3
      • 2.Qd3#
    • 1...Sd3+
      • 2.Qxd3#
  • Tries
    • 1.Kxc1?
      • threat
        • 2.Qd3#
      • 1...Ke2
        • 2.Qd3#
      • 1...Bxc4
        • 2.Qe4#
      • 1...Be4
        • 2.Qxe4#
      • 1...Se1!
    • 1.Rxd5?
      • threat
        • 2.Qe4#
      • 1...Sd3+
        • 2.Qxd3#
      • 1...Ke2!
    • 1.Qe4+?
      • 1...Kxd2
        • 2.Qe1#
      • 1...Bxe4!
  • Keys
    • 1.Sd4!
      • 1...Sd3+
        • 2.Qxd3#
      • 1...Kxd2
        • 2.Qxc1#
      • 1...Kxd4
        • 2.Qe4#
      • 1...Bxf3
        • 2.Sf1#
      • 1...Bxc4
        • 2.Sxc4#
      • 1...Sxh4
        • 2.Sc2#
      • 1...Be4
        • 2.Sf1#
      • 1...Bc6
        • 2.Sf1#
      • 1...Be6
        • 2.Sf1#
      • 1...Bb7
        • 2.Sf1#
      • 1...Bf7
        • 2.Sf1#
      • 1...Ba8
        • 2.Sf1#
      • 1...Bg8
        • 2.Sf1#
      • 1...Sa2
        • 2.Qd3#
      • 1...Se2
        • 2.Qd3#
      • 1...Sb3
        • 2.Qd3#
      • 1...Se1
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 5
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD,XP(G)::QAR1(A)
    • B(e);N_GUARD::QAR1(A),XB(e)
    • B(e);N_GUARD::QAR1(A)
    • S(a);N_GUARD::QAR1(A)
    • S(a);CHECK,N_GUARD::QAR1(A),XS(a)
  • Tries
    • Try
      • K(B);S_FLIGHT,XS(a)
      • Threat
        • QAR1(A)
      • Vars
        • K(c);P-FLIGHT,P_SPINS(b)::QAB1(A)
        • B(e);N_GUARD,XP(G)::QAR1(A)
        • B(e);N_GUARD::QAR1(A),XB(e)
      • Refutation
        • S(b);
    • Try
      • R(J);XB(e)
      • Threat
        • QAR1(A)
      • Vars
        • S(a);CHECK,N_GUARD::QAR1(A),XS(a)
      • Refutation
        • K(c);P-FLIGHT,P_SPINS(b)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);OGATE,P_SPINB(e),P_SPINS(b),S_FLIGHT,XS(C)::QAB1(A)
      • Refutation
        • B(e);XQ(A)
  • Actual
    • S(I);
    • Vars
      • S(a);CHECK,N_GUARD::QAR1(A),XS(a)
      • K(c);OGATEB,P_SPINS(b),S_FLIGHT,XS(C)::QAB1(A),XS(a)
      • K(c);P_SPINB(e),S_FLIGHT,XS(I)::QAR1(A)
      • B(e);XP(E)::S(C)
      • B(e);XP(G)::S(C),XB(e)
      • S(b);XB(H)::S(I)
      • B(e);::S(C)
      • S(a);N_GUARD::QAR1(A)
      • S(b);::S(I)
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